Ariadne is a Web Application Framework and Content Management System built with PHP. It
allows you to build complex Web applications and sites with ease. It takes care of
the mundane stuff like internationalization, security, user management, templating, data
retrieval and storage, caching, and site management. It stores content in a structured
object store that can be accessed through an extensive filesystem-like API.

TYPOlight is a content management system (CMS) for people who want a professional Internet presence that is easy to maintain. The state-of-the-art structure of the system offers a high security standard and allows you to develop search engine friendly Web sites that are also accessible for people with disabilities. Furthermore, the system can be expanded flexibly and inexpensively. It features easy management of user rights, a Live Update Service, a modern CSS framework, and many already integrated modules (news, calendar, forms, etc.).

Foswiki is wiki software, supporting the editing
of Web pages in an ordinary Web browser by end
users. What makes Foswiki special is that it
supports the embedding of active and passive
macros that enhance the page content (e.g. with
global or dynamic information) and allow end-users
to build applications that store and process data
in a structured manner.

Simple CMS is a content management system for websites that are 1 to 20 pages in size. There is menu ordering capability and a WYSIWYG page editor. Built in search engine optimization allows each page to have its own meta title, description, and keywords.

WebsiteBaker is an easy, secure, flexible, and extensible content management system. Templates can be created within minutes and are powered by (X)HTML, CSS, and jQuery. Droplets provide a new and revolutionary way of inserting PHP code everywhere you want. Many extensions are available and can be installed and used with two clicks. A flexible API is also provided.

TomatoCMS is a powerful content management system. Its key feature is its Layout Editor and widget concepts. TomatoCMS also supports plugins/hooks, templates/skins, multiple languages, and has high performance. It supports a modular architecture with more than 10 built-in modules, such as ad, category, comment, menu, multimedia, news, poll, tag, and upload.

MediaCore is a media-focused CMS. It features rich video and audio support, YouTube/Vimeo integration, HTML5 video, support for the iPad/iPhone, podcasting, iTunes RSS generation, user-submitted content, an embedded media player, and searching. It is highly customizable. There is both a front-end for users and a back-end for administrators. Users can browse videos or podcasts. Users can search for videos by topics and tags. Users can upload videos to the platform; administrators can moderate newly uploaded videos. Administrators can add video, audio, or podcasts. A comment platform for moderation is built-in. Podcasts can be video or audio. It also has automatic iTunes feed generation, automatic RSS feed generation, and feedburner support.

Time Star is calendar-based software to make bookings, manage work, and issue quotations, job sheets, invoices, and receipts. Full e-commerce facilities, content management, and a whole range of additional work management features are available. Set reminders and get an email with the details. Place a booking by adding an event into the calendar. Manage your jobs in day, week, and month views. You can create and manage user accounts. Mark jobs as complete then set account terms for payment. Manage complete and incomplete work. Add materials / parts and suppliers to your invoices as well as 3rd party fees. Add extra information about your jobs by setting fields and uploading files and images. Check paid and unpaid customer accounts Generate quotations, job sheets, invoices, and receipts to send to your clients. Take payments online for your completed jobs. Create graphs using client, work, and financial data.

Free Simple CMS is content management software (CMS) that provides a set of tools for managing Web sites. The program features information page creation and management tools, admin login, member login, link pages, contact pages, file download management, and more. Free Simple CMS features "modules" that enable other software projects such as Free Simple Shop and Free Simple Blog to be easily integrated as a complete Web site solution.

Refinery is a Ruby on Rails content management system for small business sites where the client needs to be able to update their Web site themselves without being bombarded with anything too complicated. It is truly aimed at the end user, making it easy for them to pick up and make changes themselves.